AirHint found the following cheapest return flights from Hong Kong (HKG) to Barcelona (BCN) in December 2025 (see full year).

Return flights

07 Dec - 14 Dec	Turkish Airlines
02 Dec - 09 Dec	Turkish Airlines
02 Dec - 14 Dec	Turkish Airlines
31 Dec - 12 Jan	Air China
31 Dec - 10 Jan	Air China
09 Dec - 16 Dec	Turkish Airlines
26 Dec - 10 Jan	Lufthansa
23 Dec - 06 Jan	Lufthansa
30 Dec - 05 Jan	Lufthansa
03 Dec - 15 Dec	Finnair
17 Dec - 27 Dec	Air China
11 Dec - 27 Dec	Air China
26 Dec - 02 Jan	Lufthansa
14 Dec - 27 Dec	Turkish Airlines
16 Dec - 23 Dec	Finnair
12 Dec - 27 Dec	Air China
20 Dec - 03 Jan	Finnair
23 Dec - 02 Jan	Lufthansa
25 Dec - 01 Jan	Finnair
19 Dec - 04 Jan	Air China

Also check the deals for one-way flights from Hong Kong to Barcelona in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Hong Kong to Barcelona in December from $453

Return flights